The sea is fine, the land is fine. The planet is fine as well.
Think of many extinction events this planet had previously. Up to 90% of life died.
However, humanity needs to pay more respect to the habitats of the native species. But for a few dollars people easily looks the other way, unfortunately.
We'd also be 'fine' as in 'surviving' without music and other arts and any other creative/emotionally uplifting/mentally challenging thing. Which happens to be something actively sought-after by humanity.
Think of many extinction events this planet had previously. Up to 90% of life died.
However, humanity needs to pay more respect to the habitats of the native species. But for a few dollars people easily looks the other way, unfortunately.