Yep! That more or less sums up where my husband and I are. We're just shy of 100k and actually it did wrinkle the lack of child support when I was on mat pay and he was around the 60k mark while I was on mat pay, even then we recognised we were in a very good position compared to those on low incomes. Possibly as we both grew up very poor. I do think the loss of free nursery hours at 100k doesn't sit well with me simply because for most that's a very short term bit of help that makes such a huge difference day to day. My husband and I discussed that and he feels differently, that actually the impact of we get to over 100k would be short lived enough that long term being over 100k would obviously work out so much better.
So I guess it's that, the little bits you 'miss out on' are short lived compared to the overall positive of being a high earner in itself. That's why you strive.
For me and I think also my husband it's more than that though, it's self esteem and personal growth etc also not just financial gain, it's moving further into jobs that interest us. It's having fairly reliable careers, jobs and incomes. That's the motivation. Maybe that's less motivating if you didn't growup in poverty in the first place though, you maybe don't know what your income is soaring you from which is more important what it gets you.
Our earnings means our bills are reliable on direct debit, we never have to worry about services being cut off, we can always afford food, we never have to have our kids hungry and unable to provide food. We can always afford season appropriate clothes, maybe I can't unthinkingly buy the £300 rain sisters coat I've been covering but if I lost my raincoat tomorrow I could replace it easily with something functional. My child growing out of shoes ridiculously fast is annoying not bankrupting. Etc etc.
Having seen a world without those perks we appreciate them all the time, to the point we discuss it. So us going without child benefit while someone on the breadline with 5 kids gets it for all 5? Grand. The impact pound for pound is greater for their kids than mine.