Exact same boat here. A friend and I both bought the 2020 Intel MBA thinking that the M1 version was at least a year out. It dropped a few months later. I immediately resold my Intel MBA seeing the writing on the wall and bought a launch M1 (which I still use to this day). Ended up losing $200 on that mis-step, but no way the Intel version would still get me through the day.
That said...scummy move by Apple. They tend to be a little more thoughtful in their refresh schedule, so I was caught off guard.
When I saw the M1s come out, I thought that dev tooling would take a while to work for M1, which was correct. It probably took a year for most everything to be compiled for arm64. However I had too little faith in Rosetta and just the speed upgrade M1 really brought. So what I mean to say is, I still have that deadweight MBA that I only use for web browsing :)
That said...scummy move by Apple. They tend to be a little more thoughtful in their refresh schedule, so I was caught off guard.