It’s sort of like complaining that making it easier to vote brings the average voter education level down. The people making it easier are certainly aware but don’t think it’s right to make it more difficult to vote.
That said, it's not a given that it be all or nothing. In fact, my complaint is specifically that we don't often ask such questions.
There might be ways we haven't exploited yet to disincentivize certain behaviors. Whoever invented Bitcoin, for example, had to take problems with incentives into account that, at first glance, seem intractable.
Given the way the internet turned out, we should think seriously about how people wind up using new tech in practice, rather than assume everything will just work itself out for the best.
'Oh, now you want thoughtful dialogue, and a discussion. And then, when the reins of power are installed and your ilk have taken them, you'll be sneering as you kick me out.' - Something like that is a relatively common sentiment. Assuage this sentiment, and you might succeed.
But tons of people do, all the time. There has been excessive pearl clutching about making it easier to spread ideas since the invention of the printing press.