Yep, he chose to enter the arena. The arena is not for snowflakes.
If you expect your words to be taken seriously - like an adult - the expect to also be criticized like an adult.
If the left thinks they can get a free pass - getting their ideas into the public arena via children and therefore immune to criticism and sober analysis - they can think again.
He clearly plans for a career in rabble rousing or elected politics. He wants this attention.