I don't know what the actual text is these days, but can we change the "you do not have enough rep to comment" text to make clearer what this means and why?
This week already I've seen several new users post comments as answers "because I don't have enough rep to comment".
In reality, of course, they are supposed to watch and learn before commenting, rather than finding some alternative and broken way to post their words, and if we can say this in the original error message then at least they were warned.
Two examples: