Floating just takes the contact away. The contact "can" upset the barrel harmonics and adversely effect accuracy. Glass bedding eliminates the movement inherent with wood. Inconsistant contact really screws things up.
Synthetics do not move with changing moisture, but can move with temp changes.
Wood has grain and character that synthetics cannot equal. Many people prefer the look and feel of real wood.
In life, strive to take the high road....It offers a better field of fire.
"Robo is right" Fuzzball