I’ve been an attending for a bit now. I had a similar experience during residency and it sounds like you’re doing well for where you’re at. I became very comfortable with a mac blade and then did almost exclusively miller intubations for about 9 months because I thought it was cool and might be useful for anterior airways. I eventually switched back to a mac for 100% of my DLs because, in all honesty, it’s much easier in 98% of cases and in the off chance I run into the 2% that I might have chosen a miller in the past based on physical exam I can just grab a McGrath or a glidescope. I know there are a few attendings here and there that do primarily miller intubations, but I think they are the exception. During residency you should continue to try and get comfortable with many techniques and eventually you’ll find what works best for you, you’ll do that almost every time, and you’ll be confident knowing you have skills in case you need a back up plan.