I've only come up on this tangentially, but as it turns out: Yes, in the early 20th century there was a lot of opposition to radio as a form. As early as 1923 we start seeing anti-radio editorials such as an op-ed on the Times (of London), by one Douglas Hacking (then MP). In it, he calls "the wireless" a "maddeningly pedestrian diversion..." that is "sure to degenerate the minds of a generation of Britons." There were multiple bills introduced in Parliament that year calling for the defunding of the fledgeling BBC, and even the outright banning of radio in the UK. Though they were largely shelved due to more pressing issues at the time, it is notable that 1923-24 saw a brief fad in wearing pots or pans, or aluminium foil (Still a fairly new and expensive good at this time) on one's head while listening to the wireless, as those were thought to protect against brain degeneration - not even the threat of brain damage could keep the first generation of radio listeners away from the "simpleton box" as it was known! This was also a generational issue, of course; briefly during this period, youngsters were referred to as a generation of "twentieth-centurials" who were described (As one article in prominent American woman's magazine The Delineator put it) "self-centered, perpetual children more interested in the goings-on of the newfangled radio box than the real world around them." Twentieth-centennials were also portrayed as be selfish, ignorant, materialistic, lazy, and just generally no good compared to the heroic generation of WWI veterans that came just before them.

Across the pond, the radio was a target for the (rapidly dwindling) temperance organisations that were looking for a new thing to go after, having recently succeeded in getting Prohibition passed. Radio broadcasters were terrified of this, of course - if those temperance people could get Congress to outlaw drinking, what chance did the nascent radio broadcasters have? Radio broadcasters in New York, led by the venerable RCA, convened to develop the Hughes Code, a morality code for the radio, which was supposed to allay radio-borne brain damage (By 1925 a major issue in America's national conversation). The sedate, gentle style of Hughes code-era broadcasts is thought to have been a major influence on the early NPR and the genesis of public talk radio, too. By 1926, the panic seems to have subsided as radio became an accepted part of life in the Anglosphere, which is why the notion of putting a pot on your head to guard against radio-borne brain damage is so strange - it came and went in the popular culture very fast, though it remains in the use of "tinfoil" as a by-word for lunacy; that got mixed up in popular culture and stuck around, so much so that people are generally unaware of the very real use of aluminium foil to guard against brain damage in the twenties!

This post was written as part of the AskHistorians 2014 April Fools' prank, and is therefore total nonsense.