It doesn't say you can upgrade anything else, you already been caught not reading your link with users asking Xbox One specific questions give up.
No, it said that explicitly in the terms and conditions that I've pointed out repeatedly. Yes, the terms and conditions you incorrectly believe only applies to Xbox One owners.
"You may upgrade from Xbox One X, Xbox One S, and Xbox One S All-Digital Edition to the Xbox Series X or Xbox Series S consoles
ONLY. "
There are no other terms and conditions. These are the terms and conditions for Xbox All Access. Period. You can accept this fact or not.
You are on the same 24 month plan on XSS and XSX whether you upgrade or buy them with all access up front.
You can keep throwing out petty insults, but I"m just going to delete them and stick to facts. That 24 month plan is not the same for XSS and XSX as they have different monthly payments.
$25 for XSS and $35 for XSX. So how exactly do you explain to others that you can jump plans and not pay any more? And why doesn't Microsoft say anywhere that that is even an option? Why is it that only YOU have any knowledge about this option? Why can't YOU post a link showing where this option is laid out? Again.....you keep coming back saying I'm wrong and insulting me, but you have absolutely nothing backing you up.
Normally I would have just put you on ignore, but I think it is important that others understand that your posts are simply wrong. Would hate to think someone actually bought an Xbox Series S and somehow believed you when you said they would be able to upgrade to Xbox Series X "for free". How would that work anyway? You are going to walk into a retail store and hand them your XSS and they are going to give an XSX in return? Is that how you really think this is going to work? If not.....explain.