Earlier quoted context omitted.
He's 85, his brother died recently, and he's very likely concerned about "legacy". According to Greenpeace, these assholes have poured $145,555,197 into groups that worked counter to climate policy changes being enacted (from 1997 to 2018). _Partisanship_ should be the least of his worries - he'll be remembered as a key figure who spurred inaction at the exact time that we should have been taking drastic action.
It's very sad to see people so attached to their egos and external image. Instead of genuinely caring for what will the lives of others be like in the future, they only care about how they will read his name when he is not there. How petty is that, how meaningless? What meaning carries the pronunciation of a name in isolation? Humanity will only progress once we deeply realize the reality of other minds, that we are…
...And on the pedestal, these words appear:
"My name is Ozymandias, King of Kings;
Look on my Works, ye Mighty, and despair!"
Nothing beside remains. Round the decay
Of that colossal Wreck, boundless and bare
The lone and level sands stretch far away.