This article doesn’t provide evidence for your claim that plastics are not so abundant in the oceans, it only points out that a specific study that relied on a

This article doesn’t provide evidence for your claim that plastics are not so abundant in the oceans, it only points out that a specific study that relied on a false premise (that PVC is a high percentage or is well-represented in ocean plastics) is flawed. It makes almost no mention of the abundance of actual ocean plastics. Did you link the wrong article or something?