Well for just $2 more thereâ(TM)s the M4 Express. But the R4M1 matches the M0 clock speed, RAM, Flash, so I wanted a fairer comparison.

Meanwhile the Adafruit METRO M0 Express has been out for years, with similar if not the same specs.

Who are they targeting with this?

Of course they're telling you they're doing it. You just didn't bother to read it.