The WSR publication is an advertisement. It says so right in the report, more than once. But that doesn't mean it's wrong.
If you need some reason to believe or doubt their accuracy, take a look at their financial projections for USSE, and decide for yourself whether WSR is credible. Take a look at how their projections worked out for other companies for whom they advertised.
My assessment is that WSR is paid to pump, and accuracy is not their main concern. You can decide for yourself.