Is the Xbox Series X repeating Sony's biggest mistake?

The Xbox Series X’s use of proprietary storage smells strongly of Sony's brilliant-but-doomed handhelds

How the Bethesda Deal Changes the Xbox Series X vs. PS5 Console War

Sony Is Making the Same Mistake That Almost Killed the Xbox

I believe this is going to be Sony's biggest failure. They should've make another handheld like PsVita. But it should be compatible with regular SD cards. And should have Ps1-Ps2-Ps3-Psp and PsVita

Why The Xbox Series X Is 2020's Biggest Gaming Disappointment

Super Console X Cube,64G Retro Video Game Console Built-in 90,000+ Games,TV&Game Systems in 1, Game Consoles Support for 4K TV 1080P HD Output,with 2 Wireless Controllers,Support LAN/WiFi : Video Games

PS5 Takes Top Spot in August Hardware Sales, But Nintendo Switch Defeats Xbox and PlayStation in Ninth-Generation Console Wars - Gizmochina

Xbox Series X review: Microsoft recaptures the magic of the Xbox 360 - Polygon

Xbox Series X Vs PlayStation 5: Why Sony Is About To Crush Microsoft All Over Again

Shortage No More? Xbox Series X Still In Stock At Walmart.com at $499 Price

Can you build a PS5 or Xbox Series X PC for $800?