Was it a Gen 1 device? I bought a Thinkpad X13 Gen 1 many years ago and it kept having blue screens from RAM errors and other problems. Eventually after many warranty attempts and motherboard replacements they sent me a new X13 Gen 4. This has been running Ubuntu with no problems for 4 years now, it might be more a "lemons" phenomenon than a general rule. Also, AFAIK, the case is metal with a "soft-touch" coating.

The Apple ARM processors are still in a league of their own but personally I'm not willing to give up my OS freedom of choice for that advantage.