It's a little silly to compare touring numbers between a veteran girl group of 7 years to a one year old rookie. newjeans certainly doesn't have that kind of fandom power yet. but people are tuning into their music.
I anticipate that they'll definitely be giving the top groups a run for their money once the members get older and there's less of a stigma surrounding stanning them.
also, they haven't begun western promotions yet but they're poised to do well there too: all the members speak english, a couple of them fluently, and their recent songs are like 60% in english anyway.
in conclusion: probably, but let them marinate a bit