Totally agree. Having read a lot of similar threads on HN, relentless positivity and humbleness (maybe with a sprinkling of humour) seems to be the solution.

Reminds me a little of being very young, at school, and learning to deal with other kids taking shots to look for a weakness - effectively early mild bullying. Then, again, the rule was stay positive and don’t show them you’re upset, or else they’ve found their weakness... and it will get worse.