Yes. "An externality is a cost or benefit caused by a producer that is not financially incurred or received by that producer." [0]

Dominating a market so thoroughly that your competitors go out of business and must find another line of work creates a cost for society that is not borne by the winner unless they pay for it through taxation. Namely those costs include retraining, possibly monetary assistance, etc, etc.

Beyond that, companies like Amazon[1] and Walmart[2] have well-established histories of paying their workers so little that they have to use SNAP to make ends meet.

[0] https://www.investopedia.com/terms/e/externality.asp [1] https://www.businessinsider.com/amazon-employees-on-food-sta... [2] https://www.cnbc.com/2020/11/19/walmart-and-mcdonalds-among-...