I don’t read their garbage, but as for the headline:
How do you know it is a record?
Until the weather satellites most of the world’s temperatures were not known.
Huge areas are uninhabited and much more area is traversed by ships or humans only periodically.
Those areas are large enough to drastically swing the average temperatures up or down.
They don't know, but don't comprehend that ice core samples and Dendrochronology (tree-ring studies) will never be accurate-- but only approximations-- to the actual decimal point temperature to modern, scientific thermometers.
Tree rings can be influenced by drought or excessive rainfall, amount of sunny days (say it's sunnier during the day for a couple of years, but not a drought because rain occurs at night), and atmospheric conditions like solar flares and volcanic gases in the stratosphere (but not dust) can alter the chemical isotopes in the ice samples...
Besides that, what should be the average temperature of the Earth? What are they shooting for? The ideal temperature--which just doesn't and will never exist--or in reality, the hatred of other people and having too many of them on the planet?
It's what they really feel and believe (they just don't acknowledge that to themselves). They want a planet devoid of smelly masses of humans, just not them. The elites get to play in the sunny weather like the Eloi of the Time Machine story. Everyone else, gone like Thanos's snap.
Sometimes I think there's too many of us here than there should be ( especially when I see my rural childhood places now part of suburbia), but then I am reminded of the Golden Rule and turn to the reality of I'm no more special than any other person on the whole wide world. If there are too many of us, who has to go but me?