Exciting to me at least

So I have a reputable pond guy who has come out
To the property to evaluate the possibility of pond construction

Due to topography and terrain, he recommended an approx 1/3 acre
Pond, and to line it with "visqueen". So he is using visqueen generically, and is
Actually taking about ~20 mil polyethylene, which I have seen listed on several lining
Sites as an option for pond lining

He states that the liner will be placed, then covered with ~3 feet of dirt, due to its uv sensitivity and to ensure its not bothered by animals etc. He has built ponds this way for 20 years and the only issue (per him) has been when someone built a dock afterwards and drove multiple large pilings through the
Liner

Assuming all other requirements (as I have read in the book) are taken care of, would any folks have issues with this type of liner, or have used this type of liner?