1980: Apple III released, bombs and is killed in 1984
1982: Jobs is kicked out of the Lisa Project, joins the Macintosh project
1984: Mac released. It is overpriced and has tepid sales.
1985: Kicked out of Apple
1989: First NeXT cubes released. They are overpriced and see slow sales
1991: NeXTStation released. NeXT still has tepid sales.
1993: NeXT hardware cancelled, OS ported to multiple other platforms with little success. Only the Intel port survives. Releases OpenStep for Windows.
1996: NeXT is bought by Apple.
For over a decade he had a string of public failures to match every success.
Nowadays Apple hits home run after home run and disrupts multiple industries. Imagine how much he learned from each failure.