They get nothing from the "deal", Russia gets everything they want, including time to lick their wounds and resupply for another volley.
Please, pick up a history book and read about expansionist aggression. Maybe try one that covers the period between Victorian Europe and the Great Depression in Europe.
RE: Did Zelensky just commit political suicide? Crazy stuff. Trump/JD Vance accused Zelensky of being disrespectful in the oval office, starting an argument while having "no cards".