主题：【原创】中国人吃西餐 -- 燕人

but maybe you can use a moderate tone to explain it.

指着什么期权，结果公司被收购，那些股票作废。我知道很多人就指着公司上市发一把，可惜90%以上梦碎。

--医言堂 seems to be an excellent medical doctor, but he does not understand finance and business topics at all. 公司被收购，那些股票作废--it does not make sense, unless if he actually means "bankruptcy". Typically if there is a friendly merger, option vesting will be automatically triggered and one can sell his shares immediately under option plan for a big premium.

So M&A actually make IT engineers richer in the end. I was very puzzled by his comments.

大家都心平气和些。术业各有专长，有些东西解释一下就好了。

BTw, back in Canada, many people have not seen negative equity phenomenon since Canadians did not suffer from housing collapse yet in the last 20 years. So please be patient with people who might not have background knowledge.