That is if you re-sign IPA files. If you locked a build to an Apple ID or set of devices and limited my deployments to the devices I own that would not be a pro

That is if you re-sign IPA files. If you locked a build to an Apple ID or set of devices and limited my deployments to the devices I own that would not be a problem--it is the periodic re-signing that I care about. At least make it last a year, the current limits are completely stupid.