Yes, this is an interesting theory.  It's an example of taking the
pieces and putting them together in a different way.

People have died, I don't think there's any argument about that.  The
problem is that the long-standing HIV=AIDS=Death theory doesn't hold
together very well.  And now there are too many self-interested
parties who have invested so much in it that they must keep it going.

This is quite interesting:

"In his film, Null describes what he and others in the non-HIV camp
believe has destroyed the immune systems in AIDS sufferers: repeated
infections with a number of sexually transmitted diseases, too much
drug and alcohol use, and massive amounts of antibiotics often used in
gay bars of the 1970s and early 1980s in an attempt to prevent
infection. The immune system couldn't take the assault from all these
different directions and shut down, leaving the person open to a host
of opportunistic infections, Null said he believed."

It's similar to the argument put forward by Peter Duesberg.  And there
is some evidence from a totally different set of people that does add
some credence to it: Gulf War syndrome,
<http://en.wikipedia.org/wiki/Gulf_War_syndrome>.

"...symptoms including increases in the rate of immune system
disorders...

Symptoms attributed to this syndrome have been wide-ranging, including
chronic fatigue, loss of muscle control, headaches, dizziness and loss
of balance, memory problems, muscle and joint pain, indigestion, skin
problems, and shortness of breath."

Does any of that sound familiar?  The exact cause isn't known, but
depression and multiple chemical sensitivity are two theories often
put forward along with all the others listed on the Wikipedia page.

My own HIV+ diagnosis only occurred after I had been to my local STD
clinic several times and been persuaded to have jabs for just about
everything under the sun.  And I think the early stages of depression
had set in before I received my diagnosis.

My experiences I've already mentioned with the antibiotics Septrin and
Dapsone suggest the body is a finally tuned thing, which can be thrown
out of sync.  You only have to look at the recent rises in things such
as asthma, depression, obesity, allergies, cancers, etc, to realise
not all is well with the way we live.