Yes, they are so greedy. It's going to be difficult to time the market or get a good value because they will withdraw the old stock availability as soon as possible, so you can't count on highly-discounted old stock to stay around.
There have also been compatibility problems reported with old games using Windows 11's new scheduler and Alder Lake – not all developers of old games are in business any more, so it remains to be seen if some old games will remain incompatible (or poorly optimized) indefinitely on the new systems.