Earlier quoted context omitted.
If X and Y are wrong, and someone condemns only X, only Y, or X and Y, you should just agree with them. If someone condemns X and doesn't mention Y, or the reverse, it is unreasonable to react how you've reacted here.
Not really. The intention of OP is to demonstrate that the people often mentioning cancel culture are not doing it out of advocacy for free speech norms but rather because it suits their particular style of bigotry at this very moment.
It's just...jarring to read the OP. It reads (to me) like "the right-wing does this all the time...now it's our turn!"