IDK, I'd like to agree with that, but I just can't. I'm seeing most users with X570 boards having just as many issues with memory as we've seen on previous Ryzen chipsets and overclocking, aside from setting a manual all core clock speed that is equal or lower than the single core boost clock speed, is practically non-existent on the majority of Ryzen CPUs and probably even more so on Zen2 than it was on 2nd Gen Ryzen. I can't recommend X570 unless the buyer absolutely doesn't want to hassle with BIOS updates and doesn't want either a high end Asus board or some flavor of MSI board, or needs the benefit of PCIe 4.0 for some reason.
I haven't seen anything compelling on X570 yet aside from a few users who've successfully been able to use very high speed memory, >3200mhz, which has not been a painless process from what I've seen so far but might be worth the effort if somebody is inclined to put the work in that's required to get it to run that way. Which isn't to say that nobody is having success with faster RAM, because obviously anybody who is having success isn't posting here to tell us about it. Only the folks with problems are reporting in, but there's enough of them to make it an obvious concern.