I’m interested in hearing both about if you still use the default carrying case that comes with the deck, and if you use any kind of protective clip-on case such as the Killswitch, JSAUX Modcase, or other.
I have. I have a couple hairline scratches on my protector, despite babying it and only using microfiber cloths. I don’t have anti-glare, so the reflective surface is the same with or without the protector.
The main reason I have it is for those hairline scratches and for drop protection. On phones, the screen protector will actually absorb a drop-force that would otherwise crack the screen, cracking the protector instead (usually). It’s cheap to replace a piece of glass, and much more expensive to replace the digitizer and LCD, so it’s a worthwhile investment for me.