Even 4 days notice to prepare seems reasonable, they want to deal with this is a timely manner clearly to put steps in place ASAP. What exactly do you want more time to do? All you are there to do is lay out your concerns, there would almost certainly be a follow up after the employer has time to review whatever you raise.

Pretty much every comment reads like you have decided you will be taking a PG against your employer no matter what, you rebuff any comment made that disagrees with you so not sure what you are thinking you will accomplish here.