Vim has one of the steepest learning curves of any text editor. The initial experience is frustrating - typing doesn't work as expected, there's no mouse support by default, and even simple actions require unfamiliar keystrokes. Many users report spending weeks or months just to reach their previous productivity level with other editors.

Using Vim as your default editor can ruin your workflow for weeks or even months during the learning phase. Users report this is where most people quit and return to their previous editor. The productivity hit of learning Vim on the job is significant and can affect work deliverables.

Vim's modal editing paradigm (normal, insert, visual, command modes) is completely different from every other text editor. Beginners frequently get stuck in the wrong mode - attempting to type but instead triggering commands that delete lines or move the cursor unexpectedly. This kills forward momentum when learning.

The 'how to exit Vim' question on Stack Overflow reached over 1 million views, with 80+ people reading it per hour at peak times. Commands like Escape, Ctrl+C, or typing 'quit' don't work as expected. New users often resort to closing the terminal entirely because they can't figure out :q! or :wq.

Unlike modern IDEs, Vim doesn't show file trees, tabs, or visual project structure by default. Users wanting these features must install and configure plugins like NERDTree, fzf, or similar. Developers who prefer visual workflows often feel something is 'missing' even after customization.

Multiple sources advise against learning Vim while simultaneously learning to program. When starting with programming, there's already so much to learn that adding Vim's complexity is counterproductive. Programming newbies are better served by simpler editors that don't require a separate learning investment.

Unlike modern editors that work well out-of-box, Vim requires significant configuration to be productive. Users report spending hours customizing .vimrc, trying plugins, and tweaking settings before they can work efficiently. Some developers admit they spent more time configuring Vim than actually coding.

Setting up plugins in Vim can be challenging. While plugin managers like vim-plug and Vundle help, users must learn how they work, maintain their configuration, and troubleshoot conflicts. Installing LSP support, linters, and formatters requires multiple plugins that must all work together.

Vim plugins for VS Code, Sublime, and other editors don't fully replicate the Vim experience. Missing or incorrectly implemented keys confuse users and can make them worse at using actual Vim. The fundamental architecture of IDEs is often incompatible with Vim's modal philosophy.

Vim's architecture limits it to responding only to user interaction with no native support for timers, async actions, or event loops. Simple tasks like updating a clock in the status line are impossible without plugins. This architectural limitation pushed many users to Neovim.

Many Vim tutorials and documentation assume familiarity with Unix systems, terminal commands, and command-line concepts. This makes it extra difficult for developers coming from Windows or those who primarily used GUI-based IDEs. The :help system is powerful but dense.

Some long-time users have reported experiencing segfaults and crashes, particularly with complex plugin configurations. One Hacker News user mentioned giving up Vim after 7 years due to recurring stability issues. While not common, these problems can cause data loss.