On the other hand, most of the time I'm willing to put in a little effort to express the desired types, since it dramatically improves the intellisense suggesti

On the other hand, most of the time I'm willing to put in a little effort to express the desired types, since it dramatically improves the intellisense suggestions, making code edits / refactors much less of a mental burden. But yeah, sometimes you hit a wall and need to do something unsafe.