Illustrator - Selecting more than one layer in the layers panel

SOURCE:
https://community.adobe.com/t5/Illustrator/How-to-select-multiple-objects-in-the-layerpanel/td-p/4438170

-By locking a selection of layers it allows for an easy go-back-to when editing others that are unlocked. it doesn't necessarily make for an easier experience for making consistent layer selections overall, but it at least serves as a solid workaround for selecting more than one layer in the layers panel. save selection feature is still the strongest one in quickly assigning multiple layers a selection. Illustrator still doesn't have what Photoshop has in selecting and transforming by shift+clicking more than one layer. Or, functionality of selecting layers is made way easier in Photoshop. This apparently was different with Illustrator so that users could easily use the alt-click feature to copy/paste objects and not have the shift+click selection interfere. There are too many layers in Illustrator though, and selection is hugely important. Selection should be a big focal point for the user when working around Illustrator's weak points. And, this is one of them.