If it was their own idea, then I think somehow the PTCuser board seems to not understand that the part that makes PTCuser unique relative to PTC/Community is not transferable to an incompatible format. What I wonder is what the Board thinks will be transferred.
The view that PTCuser is a static pile of answers to questions and a list of users is the heart of the disagreement over what it means for PTC/Community to 'take over.'
The main functions I appreciate out of the Exploder is that it is highly responsive and peer-to-peer interactive and based on the lowest common denominator, e-mail, for computer users. Many companies do not allow social website access - the people who think this lock-out does not happen don't work for those companies. For those locked-out, the only avenue is e-mail.
The alternative? Logging-in is still time consuming over hitting reply and typing an answer. Yes, you can get e-mail notifications that there are new messages, but not the message and not the context, and not the continuing conversation. The web site is also more time consuming. Email does not include downloading an entire tabbed or menued interface along with each message, unlike every page. Again, fast enough for those with networks that are fast enough; but slow for those on slow networks, without particular benefit.
With the above main functions removed, as they are not supported by PTC/Community, PTCuser ceases to exist.
All that remains is the membership list and a few answers to some questions; answers that are no less cryptic on PTC/Community.
All the advantages PTC/Community has are presently available to anyone who wants, with a free account, so if there is rancor to be had, it is that present capabilities in PTCuser email exploder are being eliminated without in-kind replacement.