Entering the stadium of an MLB game is maybe a 2-10 minute wait in line followed by scanning your ticket. It is in no way comparable to flying, let alone worse...that's absolutely crazy.

Heck even the NFL is just standing around in line, walking through the metal detectors, and scanning your ticket.

Source: have gone to 2-3 dozen MLB and NFL games.

My local MLS team recently switched from airport style scanners (remove keys and phones from pockets) to continuous walk-thru (keep everything in your pockets) style metal detectors. That coupled with NFC ticket readers has made the entire process much faster.

The last MLB game I saw (this summer) was a similarly easy process.