It’s not stopping me, just need to bring a 3mm hex wrench for those little bastards when I notice it getting loose but lately it has been secure though admittedly I haven’t been riding as much as I used to. It is annoying to think about and definitely not safe when it does get loose but I can usually tell when it gets loose. I think one big impact would knock it loose but normal riding it’s ok generally but that’s not good enough.
I have added a nickel strip as a shim to get the fit better but it doesn’t help as much as I thought but it still helps.