Qname minimalization breaks broken stuff only - which according to some non-Postel believers is as it should be (I don’t agree in general but in this case fixing broken DNS software is easy)https://twitter.com/jedisct1/status/995658928439595009 …
It is incompatible with (rightfully) broken software/misconfigured servers. From a user perspective “it doesn’t work” and the workaround is to switch to something that doesn’t implement this, but “works” aka “the website loads”.