The Internet disagrees with you.
It’s one of those “just Google it” moments...
Even if a person feels intoxicated that person’s physiological response is increased heartrate and increased BP, which equates to physiological stimulation.
Neurologically Alcohol triggers the brain to release dopamine, a neurotransmitter that provides energy, stimulation, and good feelings.
Although alcohol is classed as a depressant the immediate effects of a few drinks is a stimulated physiological and neurological response.
Abuse of alcohol i.e. ingesting an overabundance shuts down certain functions to effectively process the alcohol out of your system (damage control) and that’s where the depressant part of the equation kicks in.
The heartrate & BP remain elevated.
If I had to guess I would say that it was classified years ago before the science caught up.
From the internet...
Alcohol is technically classified as a depressant because it slows, or depresses, basic functions such as speech, reactions, and movement. It also affects brain function and neural activity, impairing the ability to think clearly, altering perceptions of one’s immediate surroundings, and distorting issues of judgment.
The physiological and neurological Medical facts not withstanding as described in a previous entry.