As one of them, no, not really.
I looked hard into the question but all the litterature I got was a mix of "I'll give you candy if you do X" experiments that beg the obvious "what if the kid doesn't want the candy for whatever reason ?", including their mood while doing the experiment. And this goes on for every detail of the experiments.
And the rest was philosophical and hypothetical "it's not like the olden days" style of conservatism, mixed with "this time it's different" to try to barrage criticism.
Testing on kids is just hard, so coming up with good experiments is in itself a PITA. I wish people would recognize that and take the research with shovels of salt (and I don't see misleading research as better than nothing).
Buying a kindle for my kid has been a decision that still pays dividends, I would have kicked myself if I refused it on social pressure.
It has a visual indicator (sun going down) that tells them how long they have remaining and that works quite well to remove any discussions (well… screaming and shouting)
https://github.com/sandermvanvliet/tellybox
As others have said in adjacent threads, kids are hard, every situation is different.
Usually my kids are sitting quietly at the table and playing with their little cars or whatever while some kid is melting down that he ran out of roblox or his game isn't working.
I've literally seen kids that are 9 or 10 act this way in public! Like little babies!