Haven't done any PV reviews but have done plenty for other products.
Seems that with some people as soon as they start to get freebies, you know which is nice, they tend to ..... over look some areas that may be improved.
Is there enough demand in the PV market for professional reviewers yet ? Seems certain that we are willing to invest in higher price point devices but I am not seeing the market saturation despite the demonstrable increase in numbers on here and other vaping sites. When reviewing I was sponsored by a couple of companies. The hassle I used to get when slamming their products. Always a fun conversation but hey if something is not up to snuff it isn't and should be viewed as a chance to improve I think.