dial-up ... wasn’t expensive – a 56Kbps modem cost $100 in 1997, in dial-up’s heyday. The per-line share of the ISP’s modem bank was a further $90. For this sub-$200 upgrade, society got email ... e-commerce ... User-Generated Content ... online news ... and social networking
(p. 16)
I would condense their further argument to "we didn't spend anything on the first Internet so why should we on the next one?"