It's very easy for minor memory issues to result in disk corruption rather than overall system instability. You just need something like a single bad bit that only shows up sometimes, eg while hot as nostr:nprofile1qqsr6tj32zrfn7v0pu4aheaytdnnc6rluepq73ndc2tdjzus34gat9qpz4mhxue69uhhyetvv9ujuerpd46hxtnfduhswulwwv pointed out.