Starting without a project can make one feel disconnected, you may not have the opportunity to form any bonds until you're on one and being kind of a cliquey place it makes for a difficult start.
If you don't love it and anyone at all can tell, you don't fit in. No one bothers to change your mind about it. Reading the more negative reviews here and seeing they have fewer HR responses than the positive ones is further example of this.
The frequent parties, free food and drink, and games around the office seem a bit more of a bribe.
I'm on a project that I know has high visibility and has raised mgmt concern yet the team has yet to receive any sort of support from mgmt.
Not all people managers are cut out to be people managers and it's not clear who to go to if that's your experience.
I read about multiple programs intended to onboard new hires but never saw evidence of them. I feel that had I a better onboarding it may have completely changed my time at Slalom. I do wish I enjoyed it as much as many others seem to.
It seems the most successful, highly regarded people have multiple responsibilities on their plate. It should be ok to do one or two things really well and still be valued without over extending yourself.