This new analysis has yet to be confirmed, and it brings in an entirely new observation which has to also be verified: the use of statistics based on supernovae. It also fails to explain the shortage of metals in spectra of Population II stars, which still suggests they are early stellar members of the Galaxy.

https://en.wikipedia.org/wiki/Metallicity

However, even if the Halo Population is just a little younger than we thought, it raises the possibility that some of them might have rocky planets.

And there are other SETI consequences. Since globulars are so old, it means they have had more time to evolve life. This might partially make up for the relatively metal-free interstellar medium in the young globular environment. Also, stars in a globular cluster are so close together that it is reasonable to assume any civilizations arising there would have had the opportunity to colonize other cluster members, giving the opportunity for those civilizations to survive planetary catastrophes due to astronomical or societal convulsions. It also gives us more opportunities to eavesdrop on intra-cluster communications.

This discovery is no magic bullet or smoking gun, but it does increase the odds in ET life's favor--as almost everything we've learned in the last half-century does. Still, we must keep in mind, increased odds for life in the Cosmos does not necessarily mean increased possibility for SETI. As I have come to be more inclined to believe lately, (on purely circumstantial evidence) life is common, but intelligence is not. There is no reason to suggest that ETI is impossible, after all, we already won that lottery! But there is no compelling reason to believe sentient creatures and technical societies share the Milky Way with us, or at least, are contemporary with us.

I really hate to think so, but we may be the only game in town.