I always thought IMHO was ironic on purpose. That's how I use it.
It's like when someone says, "I'm not racist but..." or, "I don't want to get into this but..." you know the very next thing they say will be exactly that.
IMHO, I don't think that term implies that one need approach the expression of one's opinion with timidity. All the "H" represents is the self-deprecating acknowledgement of one's own sense of subjectivity and fallibility.
****** IMHO In My Humble Opinion
***** IMHO In My Honest Opinion
**** IMHO Is My Hearing Aid on?
*** IMHO Internet Media House (Russian media-buying agency)
*** IMHO In My Holy Opinion
** IMHO In My Hesitating Opinion
** IMHO In My Highest Opinion
* IMHO International Medical Health Organisation
Plutocracy (from Ancient Greek ploutos, meaning "wealth", and kratos, meaning "power, rule") is rule by the wealthy, or power provided by wealth. The combination of both plutocracy and oligarchy, (from Greek ὀλιγαρχία (oligarkhía); from ὀλίγος (olígos), meaning "a few", and ἄρχω (archo), meaning "to rule or to command")which is a form of power structure in which power effectively rests with a small number of people. These people could be distinguished by royalty, wealth, family ties, corporate, or military control. Such states are often controlled by a few prominent families who pass their influence from one generation to the next, is called plutarchy.