Well, as far as I can tell they're getting more authority to go after any pirates who do it on a "commercial scale". That hasn't been defined, so for all we know they could go after individuals. It also puts a lot more pressure on ISP's. I seriously doubt they'll actually worry about "commercial scale", instead they'll just go after whoever is torrenting.
The reason private trackers work, as you know, is just that they don't allow public access so companies don't normally get IP's of people sharing their files. If the ISP's are pressured into deep packet inspection, and your connection isn't encrypted, then the ISP's might be forced to hand over your identity. So even with private trackers, you'd be fucked.
This is really all speculation, we're going to have to wait until the full text is out. Based on the leaked stuff, the worst case? They will fine us based on deep packet inspection results, assuming it's not encrypted. Some connections aren't encrypted IIRC, so you'll have to disable all non encrypted connections somehow. Also they'll probably go after anyone who hosts private trackers more heavily. Several countries in this deal were probably home to their hosts...
I guess we'll see.
And I'm not even getting into the fucking trade aspects where a lot of people will be out the job... Capital will be easily transferable cross-nations, etc. The impact of that is unknown. There will probably be a large net benefit for corporations. Who knows what the net will be for individual nations, let alone individuals. Could be good could be bad.
The negotiations based on private corporate lawyers is a bad sign. A really bad sign. It's anti-democratic as fuck. It takes away individual countries ability to legislate for itself. Very sketchy huge business type shit going on here.