Why do members of the conspiracy theory lunatic fringe still insist that Paul McCartney died and was replaced by a double in 1966?

Why do members of the conspiracy theory lunatic fringe still insist that Paul McCartney died and was replaced by a double in 1966?
At some point, you probably have to accept that you can’t keep selling sixty-year-old music to kids by remixing it with increasingly gimmicky versions.
The odd parallel universe of easy-listening cover versions of revolutionary acid rock classics that proliferated in the 1960s.
The 1960s musical backlash to the success of the Beatles is quite something to experience.
A vintage TV documentary looking at thrill-hungry beatniks.
The unheralded musical career of the star of The Champions and General Hospital.
Why the Fab Four really were fab.
The tunes considered too dangerous and subversive to be played on national radio during Desert Storm.
The oddly endearing and enduring belief that Paul McCartney was killed at the start of 1967 and replaced with a lookalike.
The story of the temperamental, eccentric and otherworldly music instrument.
An unholy collection of famous faces and minor celebrities gather to mangle the Beatles classic for a TV promo.
Britain’s half-arsed answer to Barbie gets into the Swinging Sixties pop scene.