To be honest, I have always pitched Tab Stacks instead of Tab Groups. Maybe people are conflating one with the other, but Tab Stacks are better suited for open browsing as everything is sorted to the parent page, whereas Tab Groups are much better if...
I'm actually hoping for tab stacking more so than tab groups. The groups are great for when you go to the exact same pages every X time units, but tab stacking is amazing for when you're calling and opening a lot of extra pages on parent pages, and y...