I'm getting very sick of this trend of subscription/rent your software, Malwarebytes are the latest to do this. I emailed them about it and told them this was unacceptable to me, I got the stock answer from them about how they like to pay their staff etc. I mailed back and stated it surely would be better to get some money rather than none as I'm not going to rent their programmes/apps and they will get nothing.
I was mailed back very politely saying "If we can do ANYTHING" else to help don't hesitate to contact us. I just use the free versions now.
I can see Microsoft and others doing this, it's fine for them and people of greater means, but I can not and do not want to keep paying every year for more and more software.
I can also see this will very much encourage pirate activity. It's a shame the majority of ordinary computer users can't revolt about this, but what's just as annoying is that people just accept it and pay up.