Actually, they want you to meet insurance requirements. There should be no reason the landing technique for a 210 is any different to a 172.
You will get ICUS time to fine tune things before you get let loose anyway.
You will have more difficulty controlling the swing on take-off due to 300hp and managing the CSU, power settings and cowls than landing it.
Passengers are the ones who judge 95% of the flight based on the landing.