That’s like saying plastic pollution doesn’t matter because climate change is a bigger issue.
Yes, other indistries are seriously problematic. But we cannot dismiss the rapidly growing mountain of discarded products, wasted precious minerals and toxic pollution. That’s before we even get to the human rights abuses that go hand in glove with their production.
We are beyond a stage where 62 million tonnes of ewaste are produced each year, and only 22% of it recycled.
Tech manufacturers cannot be held to account for bad farming practise, but they can for this. Also, some of those industries you mentioned are driven by tech industry demand.