I don't believe you. Sorry. Unless you never actually use your email address for anything, to have zero spam is impossible.
Unless you mean that you have a 100% success rate in filtering that spam out, and in which case, I'd still not believe you.
That they reached a different conclusion than the outcome you wished for does not indicate a lack of critical thinking skills. They have a different set of information than you do, and reached a different conclusion.
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In theory you can claim it back, but it's a major pain in the ass. Some ETF issued outside the US and holding US stocks will do it.
Other strategies to avoid this annoyance include:
1. selling on the ex-dividend date and buying the next day.
2. buying a long-date call and selling a put instead of holding the stock
3. simpler version of 2: buy a deep in the money long-dated call, you won't be paying all that much for the convexity, and you don't have to think about dividends.
Yes this is a shit situation for Intel, but public companies should be paying dividends, IMO.