Let me see if I can scare up a few people to answer you. The number of views can be misleading since search engines regularly index the forum content. The best way to network here is to see who has posted poems in the past six months or so (since the early October server/backup crash) and then begin reviewing their work and/or send them connection requests and ask if they'd like to trade reviews. I don't believe anyone lost their work except one or two who were using this site as the only repository of their recently written work, who shouldn't have. I personally lost recent forum posts, but I keep my manuscript(s) offline in Word. Our site admin gave everyone enough points to re-post their work if that's what they wanted.
One solution re the low site payments is to see if you can combine some of them in some logical grouping to make bigger chapters. If not, stick with posting them as individual poems, though consider prepending a number to the title of each poem and/or pick memorable poem titles (e.g., 001 - Ode to the End of the World!). Any poem titles you've already used/posted can be renamed easily enough using the site's edit functionality in case you want to prepend a number to each title.
Another option if you don't get enough feedback here is to check our sister site, Booksie.com. It's newer, with new functionality, and I'm virtually certain it supports poems there as well. Not sure how much their forums get used, though. They do not use a points system at present, so the idea is to build a network of fellow authors who give the kind of detailed feedback you're looking for, and trade ongoing reviews with them without worrying about collecting points for posting. The effort is generally the same: you post poems (for free) and develop a network of people who consistently trade reviews with you.
One way to toot your own horn is to review others and ask them in the closing comments to review your poems and that you're looking to network with authors with whom you want to trade ongoing reviews. We'll call that the hit-them-over-the-head approach, which I sometimes use too. 
If other sites to which you've posted have a paywall, then it should be fine to leave them up, at least for now, although check the site's policies regarding copyrights of posted work. If necessary, add a copyright notice to each poem. TNBW does that automatically, although that doesn't stop bad actors from re-posting your work elsewhere if they gain access to it. That can happen to anyone, including famous authors, whose books are in great demand. There's no foolproof way to do it though, except stick with well-established pay sites and add copyright notices. You always have the option to self-publish, of course. Consider looking up desirable publishers and agents and ask them about their policies. It's a given these days that most authors use a pay site to help them workshop their stories before submitting them to agents or publishers.