You’re not alone. Where I work, the interruptions are sometimes constant. Every time I’m interrupted, it totally throws me off. I wish I could work at home.
Blue collar workers generally learn a job and just do it.
You're paid to hammer nails, or turn a wrench, or stack whatever .. etc.
Driving a big truck was the most educational time I ever had ... talk radio all day long.
Blue collars talk about sports and drinking and whatever while working and just don't have distractions.
And something actually gets built.