Come on Wyatt : the problem was not machines already activated, but people wanting to activate a new one ! Also people buying a license and waiting for license generation.
The importance of the downtime really depends on the final application : if you work for shows and events, yes, it could be important.
Anyway, our company has been using TA for almost 12 years now. We rarely had a problem with it. Just reporting an issue so your team could be aware about it. I think it's nice.
I never asked about when TA 5 will out. I perfectly know the answer …