If your tax situation doesn't change from year to year you don't need to scour the instructions. Just work through the forms using last year's return as a guide.
And there have been a lot of tax changes recently. Although my personal situation didn't change significantly, the filing experience changed more during the past administration than in the 10 years I'd been filing taxes before that, even though those previous 10 years included multiple moves and changes of jobs, and the purchase of a house.
They did, but the line instruction verbiage is easy enough to trace where it went in the end if you search certain keywords and phrases you can hook into the right places more or less.