I watched a press conference of Bill Belichick being asked about long snappers and whether it’s worth having a dedicated roster spot for a specialist. I don’t particularly care about this but I was struck by how thorough and detailed Bill’s answer was.
He explains how the league started with more generalists—players who could do special teams and long snap. As strategies changed, it became more important to have a specialist long snapper who could block. If you saved a roster spot by having a player who performs more than one role well, there is a risk they could be injured. The league evolved to specialized roles for punters, kickers, and long snappers as a result.
I watched all 10+ minutes of it because it reminds me there is infinite detail in just about everything. Things can seem so simple and but is more likely a failure of imagination of how deep it goes.