There are zero humans anywhere in any time or place that have global awareness and are not bounded by their personal experience and local context. So what are you even trying to say?
For the people lucky enough to be living in the world's number one economy, in an expensive city, in a well-funded startup or an established tech company, 100k is "not a lot" and spending $1500 on a chair can seem something other than absurd.
The other commenter that you replied to above pointed out very clearly that this applies only to some parts of one particular country, and it is perhaps not very polite to act like this is completely unknown to you.
You responded to this from your bubble, and then defended yourself against me by saying that we are all in a bubble. Well, no kidding, but some of us at least try to be aware of it!
Now are you starting to get even the slightest idea of what I'm trying to say?
If you think the countries like the UK where pay is lower than the US, which is the highest in the world, is "particularly awful", you might be living in a bubble.
Not to mention plenty of people making less than 100k even in the US, even for big tech companies you've heard of in big cities like Seattle and New York.