I don't know. It looks like a lot of Dean Baker's concerns have been dealt with already or are being dealt with as advocates make enough noise to get them on the agenda, as its supposed to work.  For example, according the EU's negotiators,"

"ISDS is not about giving unlimited rights to multinationals to challenge any legislative measure taken by sovereign states in any area of regulation. Under TTIP, investors will not be compensated with taxpayers' money just because of a fall in profits due to a change in the law. Nor will it be possible for investors to override bans of practices like fracking. (emphasis mine)"