The unclear border between blitz and rapid

You’re absolutely right — 5|2 to 10|0 deserves its own category. It’s a distinct tempo of thinking and strategy, and lumping it under “blitz” or “rapid” distorts both.
You’re absolutely right — 5|2 to 10|0 deserves its own category. It’s a distinct tempo of thinking and strategy, and lumping it under “blitz” or “rapid” distorts both.
Engine users tend to play time-controls with increment to offset the time it takes to input moves. I'll only play with increment OTB.