If we ignored the data and just went by your depiction of reality, we'd have 100% of ̶z̶e̶b̶r̶a̶s̶ black people agreeing racism is a major problem but that isn't the case. It's wild that there are black people who agree "Irish, Italians, Jewish and many other minorities overcame prejudice and worked their way up. Blacks should do the same without special favors." But a good number do.
I'm not saying all white people who provide good answers on these polls are sincere but I think your outright dismissal of the data might stem from the diversity of people you encounter.
You may not, but I know a lot of people like this:
Those groups never have to deal with the constant bullshit,we have to deal with every single day.
And,to use those groups as an example as a way,how they pull themselves by the bootstraps is bullshit...We didn't need white folks until they burned our schools,businesses and hospitals down to the ground...e.g...Tulsa,Oklahoma and many black businesses in that era.
There's a reason,why black people are shut out for small business loans, while Asians,Arabs and other folks can come to this country barely speaking English and get those business loans.