It's nowhere near the 'same form factor'. I'm taking switch to me in almost every trip and I have taken steam deck once and had regret it deeply (too bulky, too noisy, hot and barely lasts a couple of hours).
I had a (dis)pleasure of running multiple Synology units in a business setting. They do die out on you like everything else if not more frequent, the QC is generally non-existent.
Synology's biggest reliability issue was when they used the Intel Atom C2000 CPUs. Designs with those CPUs have a 100% failure rate on the longer term (not just Synology, everything with it, Cisco was hit hard too). There's a workaround by soldering on some resistors to pull up some marginal line that will fix dead units.
It never really went away. Last decade is truly a golden age marked by the *arr suite of tools, most of them are better maintained than an average streaming app.
As with many tools there are forums (reddit, etc) and wiki's - you might start with an arr-wiki: https://wiki.servarr.com/en/radarr, your mileage may vary (I've been aware of the suite for years and talk with people that use them, but haven't felt the need myself so far).
You don't even need Firefox or anything privacy-oriented. These checkboxes were forever hit-or-miss for me on a Chrome with the default settings (!). My ISP is using IPoE tunneling which has a side-effect of a shared IPv4 address among bunch of households and surprise-surprise no one in Cloudflare is aware that countries beyond US exist.
At this point I'd honestly take CAPTCHA over this bullshit.
It's extremely easy to get multiple virtual debit cards numbers. The only way around this is to maintain some allowlist of BIN/IINs for the known banks/services that do not have this kind of product which may severely limit conversion rates I guess.
Regular reminder that this is strictly true for the US. For other countries YMMV by following this approach.
E.g. it's generally a bad idea to shut up completely once you're in a police station in Japan, as they may hold you up for 23 days w/o pressing charges and allowing you to communicate with the outside world.
It's no more a laptop replacement than iPad is. Almost 4 years down the road after the release of iPadOS and it's still a failure as a laptop replacement save for a few well-selected niches.
And the new VisionOS (or whatever Apple will decide to call it) will have to be even more restricted than iPadOS was compared to MacOS just because of the tighter coupling to your body.