Everyone has a point of view, but calling those of others 'stupid' and 'laughable' doesn't make an argument stronger - quite the reverse.
Divert alert - scroll on if that will annoy you - The Intergenerational Foundation has caused a lot of strife and resentment by younger people towards older generations. They stir the pot by telling them that older generations were luckier than them and have had it all easy. (Allira)
I agree that the IF has done a lot of damage, and see it as a deliberate 'divide and conquer' strategy, whether that is persuading older people that anyone with 'the latest phone' or a tattoo must be spending above their means and takeaway coffee is responsible for the housing shortage, or making younger people see oldies as grasping uncaring sorts who have 'pulled the ladder up behind us'. Neither is true.
When I hear the former I remind people that they too are likely to have had the latest trends in their youth - whether that was a shampoo and set/beehive backcomb once a week or a lava lamp and egg chair. When young people rant about older ones, I ask what they have done personally to make life better for future generations, and remind them that most of us just do the best we can within the norms of the day. Movers and shakers are a rare breed in any generation.
Nobody has ever come back with a sensible answer to either. It's either 'we didn't have mobiles' (well, no - they didn't exist, but you might have had a TV or a washing machine that your parents didn't), or 'I am vegan' (or 'I've joined Greenpeace' or similar) which is a personal choice and not something that will not make their grandchildren more financially secure.
Both sets of people tend to want to buy a house, as that is the British way. Nobody with a brain wants to lose money on the deal, and most would be happy if they could buy an equivalent house when they sell theirs (or a better one by adding extra money). It has always been tough being young, but usually life gets better financially as we age, but the flip side is that physically it gets worse. My son often says he wishes he could retire (he's 34, so had better forget it for a few decades😂) and I say quite genuinely that I would happily swap my retirement for his youth.
I do understand how hard it is for young people to get on the housing ladder - I have two Millenials myself - but the point is that they want to do so for the same reasons as we did. They want to have paid it off some day and be able to relax in retirement. Which is all those of us who are now in that position are doing. It's just that they are presented as aspirational and we as grasping for wanting the same thing. It's a con, and nobody should fall for it. Wasn't the IF the brainchild of Dominic Cummings?