[arm-allstar] Is there a way to nerf “crontab -r”?

[Glenn Morgon]

Was modifying my crontab and accidentally used the -r option instead of -e
since the two keys are located next to each other. Unfortunately the damage
was done and while I was able to pull from backups, I lost some
intermediate changes.

As such, is there a way to nerf the -r option so that it at least asks for
confirmation before deleting the crontab file?

Thanks,
Glenn
N8HC