Give it time.
I don't have a parler account, because my circumstances say there's no point in it, but I heartily recommend it.
The deal is, it's so new that its membership it hasn't had the time yet to grow near as large as the behemothic twitter, but it will. I suspect that by mid-term elections, while it won't be as big as twitter yet, it'll be big enough that most won't have any problems getting traffic and followers.