Anyone that has worked in polls or science knows that any platform can be created to produce a predetermined result.

We hope they're right but we know we can't depend on them. I heard today on NPR that the WHO thinks it will take us 2 years to get through this pandemic.

Polls can be valuable, especially when there are many of them.

When I was a kid, a court decided a confused election by looking at a series of polls taken in the weeks before the voting.

Polls are useless..

The following was a part of CNN's statements on the polls, and part of the reason why I generally don't trust them-

It is important to remember that in the U.S., the president is elected by the electoral college, not by the popular vote, and national polls can only approximate the popular vote.

Here is that whole statement on CNN-
Polls shown below track voters’ views nationwide on the 2020 presidential election between President Donald Trump and former Vice President Joe Biden. Polls are only displayed here if they meet CNN’s standards for reporting. It is important to remember that in the U.S., the president is elected by the electoral college, not by the popular vote, and national polls can only approximate the popular vote.
[cnn.com]