Seems reasonable. I do share this concern:

>Breyer argued that what's really at stake in this case is the ability to register domains that are similar but not identical to booking.com. Thanks to today's ruling, booking.com could "threaten trademark lawsuits against competitors using domains such as bookings.com, eBooking.com, booker.com, or bookit.com," Breyer wrote.

Without even buying similar domains, a company can prevent them from being used via trademark law.

This is like trademarking 221B Baker Street or some other physical address. Doesn’t this make it hazardous to purchase domain names now, since some trademark troll may have grabbed it in the past? Currently there is something extremely refreshing about being able to buy a domain that you find available - no need to worry about getting sued for some random nonsense