I'm unaware that OS4 for classic has been officially scraped? Is there a link from Hyperion that states they have officially ceased all further development and beta testing for the classic?
If so it would be a mistake and big disappointment to those of us that expected one last version of Amiga OS.
"it's just 600 potential buyers out there"
Unfortunately of those 600 potential buyers how many will actually be queuing at shops like Amigakit and how many others will be queuing on Kazza to get this software.
I suppose from Hyperion's perspective at least when they bundle OS4 for new hardware they are guaranteed some revenue back in return.