Because most of the people who use handheld devices hate using crippled versions of sites! (gross generalisation, but certainly in my experience)
Few devices capable of viewing the internet have only 256 colours... it is a very short phase in a product lifecycle, and often skipped now...
s
*****************************************************
The discussion list for http://webstandardsgroup.org/
See http://webstandardsgroup.org/mail/guidelines.cfm
for some hints on posting to the list & getting help
*****************************************************
