How is this not traveling

Precious Achiuwa scores gets called for the travel which he does he disagrees with Then in the next possession he dunks stares at the ref and gives him the traveling violation sign

Victor Wembanyama air balls the contested layup to the other side of the rim and manages to quickly rise up and put it back in but he is called for the traveling violation with a replay

Can someone explain to my why this isnt an offensive foul on Jaylen Brown

Nikola Joki throws it over Wemby for the bucket Wemby steps through Jokic on the other end to answer Jokic argues for the travel call

Chet Holmgren with an attempt to go coast to coast

Jalen Green grabs in the inbound pass in the clutch and makes multiple steps before starts dribbling the ball with a replay The Spurs announcer claims there should have been a traveling call not happy with the non-call