Would be nice if you could select some spiders and click on a player to have them follow that player. Or click a spider or other vehicle to have them follow that one. Or click a robot in Robot Army mod (units instead of vehicles) and they will follow that one. So basically if you don't click the surface but something that can move then they keep following it.
This way you can have a remote controlled spider which is followed by other spiders. And you can have multiple such groups. Then you just command the "center spiders" with regular remotes so that you can have multiple consistent groups that you can switch between by using the regular vanilla remotes.
So you get multiple groups and you can have robots in follow mode that don't follow yourself.
If you have robot army installed then those can already patrol and search and destroy nests. If you tell a spidertron or two to follow them then you will have spidertrons on search and destroy missions immediatly, without the need to first code that AI for spidertron etc.