No, it’s subjectively bad for you.
It really grinds my gears when people use “objectively” when being objective is to deal purely in unbiased observable, repeatable facts.
Your justification starts first with screen contrast - something that is truly in the eye of the beholder.
Then you go on about “finger gymnastics” for shortcuts - again something that you (and yes I don’t disagree others as well) suffer from.
Neither are issues that have bothered me one iota - so much so that your mention is really the first time I’ve thought about either.
However you then compare this to another app that also has many detractors thus creating an instant bias.