Do we know what logic determines which rides get temporary delay warnings?

[WorldExplorer]

A while back I had Dinosaur stop on me for a minute or so a couple of times and was surprised to find there was no "Whoops! Please don't do anything stupid while we're stopped" warning.

So I got curious if there's a known logic to what rides get those?

I know Splash had one (blamed it on B'rer Fox and B'rer Bear), Little Mermaid has one (blames it on Ursula), Haunted Mansion (blames "pranky spirits"), and I think PeopleMover and Spaceship Earth just says there's been a delay.

And I know I've had Space Ranger Spin and Figment stop on me and don't believe I heard anything.

 

[JIMINYCR]

I thought they all had announcements to notify riders of the delay and to remain seated. Attractions moving through water and on tracks have in the past had dumb idiots get out and put themselves in danger. In my experience of randomly been stopped for mechanical issues or temporary stop for w/c boarding or exit, Ive can't remember ever having a halt where some kind of call had been broadcast.

 

[Tom Morrow]

There's a lot of factors. Often, rides are programmed to have a spiel play automatically for any type of automatic or manual ride stop. On Dinosaur, you may have experienced a "cascade", where backups at load/unload cause the vehicles behind them to stack up in their designated zones. A cascade is not a ride stop.

There's also the factor that the Splash logs are easy to get out of, but it's a lot more difficult to get out of a tight seatbelt on Dinosaur, so they may play the spiels more frequently, manually.