Ubuntu was reliably bugged and I could not use the software I needed for work because of that. I had to fuck with it on a monthly basis to fix it.
Arch reliably works and is always up to date, so bugs that I experience get fixed in a timely manner.
I never had to fix it after an update. On my personal PC I have the same arch install since 2020.
Never ever did my arch not boot or not work after an update.
I literally have a web server with arch that runs automatic daily unsupervised updates (which is not recommended by arch devs tbh.) And it has been serving my personal homepage for a year without downtime or maintenance (except for 15sec post update reboots ofc.).
If you want to go beyond personal anecdotes as evidence, we both would need to conduct a significant study.
But I feel like people keep saying that arch is unstable without trying it themselves or without looking at data.
Framework was too expensive for me so I went with Minisforum V3
It’s a nice bang for the buck and most of the stuff works for me on arch.