Subscription only
All this is fine while your customers are afloat and growing.
But when times are hard. Forced payments like this will send people out of business. They won't be able to tick over and not invest in the hard times. They will be more likely to shut down. You cannot exist without email these days.
It's starting to happen in the US. These bastards obviously don't care. But they might after it affects their bottom line and after the human impact is un recoverable.
Adobe behaviour is more significant to small agencies. But there are eplent of struggling SMEs at the moment. Microsoft _should_ care about keeping them afloat