Why are computers so difficult to use

1.I bought my first computer in 1978 a 20 lb portable at 46 years of age.
2. I had no trouble using the computer and taking it to work with me to make my administrative work "easier"
3. I have worked my way from C prompt to current use of my 10th computer. I have not really read the manuals and have done well with the help screens.
I use digital cameras, scanners etc.etc. daily now that I am retired I use the computer for research, email photoshop 3-4 hours/day
4. I could not imagine life withoout my computer and my internet. good luck