Of course we have too many scientists and it is difficult to make a meaningful contribution. When I was very young (20-25 years old), I had my PhD defended in 1985 when I was 25. This is the time when I did the best of my work. Then I started to work in Russian Academy of Sciences and still did some very good work, till about the age of 30. I had a better equipment and analitical tools at my disposal and could do a better experimental chemistry. Then I spent some time in Lund and did some good work in 1992 - 1993. Then I moved to industry and started to work for biotech (1994 - 1998) and then HP (1998 - 2020). I was very busy and did plenty of applied work.
Here is the frustrating part. Although I was very well paid in industry and worked very hard, whatever I have done there has completely lost its relevance. I was chasing the requirements of the day that always became irrelevant in 2-3 years after. So, a lot of time with the industry, very busy, well paid, nothing is left.
Of course there are patents, but only a small fraction of them is good.