If we update to Web3, do we lose these guarantees of data ownership and deletion? Is there any way to preserve the guarantees by opting out?

Built into Frequency Access is the ability to control everything. While it is super basic as of today, you can expect a far greater level of control over your data.

There is no option to reverse if you have already updated to Web3.

To continue enjoying MeWe, please click the link below for a quick and secure 30-second update: https://mewe.com/web3/migrate

Be sure to complete this update soon, as old accounts will no longer work after September 20th. If you’ve already migrated to Web3 and secured your universal handle, you’re all set—no further action is needed!

We understand that this upgrade may not be ideal for everyone currently using MeWe, and we assure you this decision was made with great consideration. We believe this is a crucial step in upholding our commitment to user privacy and data ownership - https://mewe.com/cms/move-to-web3