I hate this shit they could just don't do these presentations at all.
https://i.imgur.com/TolKJXN.png
Source: https://twitter.com/WilliamsRacing/status/1622596594955702278
The thing about F1 car reveals is it's not really about the cars and the technical specs of the cars per se. That comes later for a myriad of reasons. They prolly don't want other teams copying their stuff or the real car isn't ready yet.. Who knows. But yeah, the car reveals is mostly about the livery and showing the sponsors. It's a marketing and PR thing.
That's why I've mostly stopped getting excited for these before the season reveals as we don't really learn a lot about the cars. That comes during FP1 of the first racing event.