No, it isn't. Selling support is actually profitable. Red Hat is an example of that, in 2018 they had a very healthy 13% profit margin, and they are still profi

No, it isn't. Selling support is actually profitable. Red Hat is an example of that, in 2018 they had a very healthy 13% profit margin, and they are still profitable to this day. Red Hat wasn't in debt either, it had net assets. I don't see how the end of ZIRP had a disproportionate negative impact on Red Hat's financial, they were and are doing just fine.