It is mathematically impossible to get 7k monthly CPF Life standard payout for cohorts reaching 70yo in 2025. Can't be done. Those who tell you they reached, ask them to show you proof.
If you join CPF life with 1.5 mil, monthly payout is $7,840 (standard plan/male) at 65.
If starts payout at 70, join CPF Life with 1.3 mil , payout is $7,440 (male, standard plan)
So, the member can continue to top up to prevailing ERS each year.
The compounding interest is tok kong
You can play around with the CPF calculator
https://www.cpf.gov.sg/payoutestimator