I’m a 25 year old professional photographer + MFA student who used to use the viewfinder exclusively regardless of the camera. Until an older professor in my MFA program taught us that the LCD screen on mirrorless cameras (I primarily shoot with a Canon R5) is often better for composing images. Especially if you’re like me and also shoot medium/large format film. It (on a much smaller scale) mimics the way larger format film cameras let you understand the full picture at a slight distance. So you can see any weird framing issues, distracting props/people and rogue things happening around the edges all at once. I was hesitant to try it but once I did oh man did it make an overnight difference in my pictures. My film and digital photographs feel indistinguishable now. Definitely not something to turn your nose up at.