Putting a higher value on consumable parts is better for the environment. It should encourage people to place a higher value on the things they use and therefore take better care of them. If cassettes were £10 I wouldn't ever bother cleaning them and just bin them after a month.
when you internally route your first dropper post, you'd be buying that AXS dropper on Klarna
also swissstop BXP in a road brake pad holder over any of that koolstop or clarks nonsense
also £150 for a cassette is 'cheap' these days in 12 speed world