You are confusing addresses with people. They are not the same thing.
Your plan will not work. For example, a person could simply move their 10000 BTC in a single address to 1000 addresses with 10 BTC each (before your freeze).
Your plan is not fair. Why penalize the people who have accumulated bitcoins?
How many users have done this? Now they can't do it in this fork.
... and "freeze" all bigger wallets after block 708077 (03/Nov/2021)
People can move their bitcoins between now and when the hard fork occurs. Creating a hard fork in the past will invalidate all the blocks between then and now, and cause a major disruption. It will never happen.