There's a lot of cargo cult Session 0 rituals. Let's trim the fat to get players rolling and role-ing the first time they sit down to play D&D.
As a matter of adventure design (or when improvising as a DM), you shouldn't lock mission-critical information behind a skill check. Because if the characters fail the check, the plot line is dead. But, the solution isn't to get rid of skill checks. The solution is progressive skill checks, starting at 0.
Updating an old D&D tool to 5e for quicker and more satisfying combat resolution, without all the math breaks.
The Gunner feat has replaced the Crossbow Expert feat as the prime feat for martial blasting.