I understand feeling this way, generically. Let's imagine a public speech. In a small room. Dead quiet except for speaker. There's a suddenly loud happy baby, competing with the adult speaker for volume. They take 2 minutes to wheel the baby to the back of the room, that's only 30 feet away, so nothing really changes in terms of noise elvel. And another woman politely approaches them with their line asking if they'd like to take it outside.

The thing is at that point, I have jumped to a # of conclusions: small room, disruptive over long period of time, dead quiet, and acceded to this odd cultural view I never saw anywhere other than moneyed SV and extreme money that talking obliquely means you're being polite.

The article doesn't give us data to justify the conclusions I jumped to, but it does give us enough data to know this was a near-platonic caricature of a situation where the unprofessional bit isn't the baby making noise. It was during a talk about the practical challenges of being a founder with an infant, at an event targeted towards being more inclusive to female founders.