If robots are doing it it won't matter anyways, it is important the welds look good even if they are large.No, we are welding everything in asia right now. Boston has better Ti welding skill than Aluminum welding IMO.
A lousy welding job makes the bike look cheap even if it's expensive.
Check out this hand TIG welding of an Ebike frame
A good Tig Pulsed welder can cost 5K plus you need the skill to do it.