At work this week I was hand-holding a DB engineer who was installing some (corporate, not Web PKI) certs and it reminded me of those bad old days. He's got a "certificate" and because this isn't my first rodeo, I ask him to describe it in more details before he just sends me it to look at. Of course it's actually a PKCS#12 file, and so if he'd sent that the key which is inside it is compromised - but he doesn't know that, the whole system was introduced to him as a black box which renders him unable to make good decisions. Out of that conversation we got more secure systems (fixing some issues that pre-existed the fault I was there to help with) and an ally who understands what the technology is actually for and is now trying to help us deliver its benefits rather than just following rote instructions they don't understand.
Anyway, just as we went from "I dunno, I clicked a button and typed in the company credit card details, then I got emailed this PFX file to put on the server" to "Click yes when it asks if you want Let's Encrypt" with both an invisible improvement to delivered security and a simpler workflow, that's very much possible for DNSSEC if people who want to solve the problem put some work in, rather than contentedly announcing that it can't be fixed and we shouldn't worry about it.
But for several decades, DNSSEC proponents have been complaining about the vocal detractors, rather than actually addressing the problems that have been identified. That's a pretty significant track record on which to make a fair judgment about who is making the strongest case.
Someone above offered a link [1] that gives some pretty good reasons why nobody is stepping up to fix the problems.
[1] https://blog.apnic.net/2024/05/28/calling-time-on-dnssec/
The most important work to put in isn’t tweaking DNSSEC but changing it from the pre-PC Internet model where everyone completely trusted their network operators – pushing signature validation out to the client and changing the operating system APIs to make better user interfaces possible.