when it comes to writing practice (that is, the practice of writing), other people, writerly or not, comments or not, have nothing to do with it.

being published, et al is a different matter.

but if you write write write write write as per your goal - follow the practice with diligence and persistence, esp. in line with your other practices (reading, yoga) eventually, you’ll come to something you know is ready or almost ready to publish. Then you get other people involved.

self-validation is the key to writing practice.

So, of course you dare! The only person who could stop you is the same one who can start you. You.