How do you figure you need to trust it more than both your ISP and your government? I understand how it gets as much data as your ISP traditionally does, and that means you need to trust it as much as an ISP...
...But I have a very poor opinion of any ISP that operates on regional monopolies (as is common in the United States), and those are probably linked directly to the NSA a la PRISM anyway. I imagine a VPN, even a mediocre one outside the Eyes countries' jurisdiction, frustrates this.