Do you think the tweets are an unbiased objective account of the events that transpired? I view them as a sort of color commentary. Anyway, which ones do you think were personal? His experience doesn't sound any different from what I expect anyone who gets bonus screening to get. It's inconvenient and adversarial. I assume that's the rule, not the exception.
Welcome to your government (excuse me if you're not American, I'll assume you are). This is one of many standard MO's I've seen all through this exchange between CBP and Jake.
I'm a foreign citizen working in US on a visa, this has happened to me in the past - and I'm just here to work. I'm not suspected of doing anything illegal.
Immigration/Border Patrol in China is far, far more friendly than the US's. If Citizens don't like it and feel it is harassment then they should be campaigning to change it.