Well at some point when you have a product you want to make it known to people that it exists. Whether you force it down peoples throat or remain with the facts is a question of style. So here you don't answer the question of whether marketing/sales is an important/necessary/hard job to do -- You don't like a common style of doing it.
... disagreed, what you are talking about is "outreach". Sales and marketing have a very specific connotation that reach beyond the scope of outreach. Moreover, you will find individuals considered by others to be "well grounded" tend to equate the common style with the common definition, no matter what Merriam-Webster may say. To solidify this point for you I'd make an analogy to the definition of a Republican as fiscal conservatives who believe in small government, when for the past few decades they have been war-mongering corportists, however, that would probably be seen as flame bait, so I'll avoid it.
There is NO safe time to text while driving; even while at a stoplight you'll be tempted to dash out without looking if you are honked at for not paying attention to the light.
However, I agree with your analysis about the speed limit, and would be all for a ban on ALL cellphone use while driving if the speed limit were increased by 30%.
Elegance and truth are inversely related. -- Becker's Razor