No matter how careful you are, eventually some app somewhere will open an URL, causing Safari to open, but now that it’s not your default browser, all your login state, your favorites and, heck, even just the familiar UI will be missing.
No. Until iOS allows setting a default browser, there is no point to accept this kind of friction and at least I myself feel much better off just using Safari and getting a consistent browser experience even if an app opens an URL.