Thank you for referring me to the documentation on this topic: arbitrum-docs/sequencer.mdx at b714a33320b0de2723601f8891cf4e0ad990b6fd · OffchainLabs/arbitrum-docs · GitHub.
It very well explains how the process works, and i understand much better the meaning of the need for these changes.
In my opinion, this is completely safe and will not lead to any critical consequences when executed.
We will definitely vote FOR that proposal after instalment of DAO.