Once again, a delusional move...
If Symantec thinks (debate amongst yourselves) or believes that'll stop the spammers they're crazy. Most spammers are using injection mechanisms and not using direct connections, so SSL is pointless..
Symantec-owned certificate authority GeoTrust has revoked some SSL certificates for a small number of (unspecified) .pw domains. Digital certificates for addresses using the top-level domain are still available from other providers. Symantec said it will continue to offer organisations extended validation certificates for the …
As the AC says, banning spammers from getting Symantec SSL certs is hardly going to inconvenience them anyway - and they're still pushing the expensive EV ones, just stopping the cheaper regular ones...
I use a .pw for my personal email address - Sutherland is a common enough surname that the .com, .co.uk, .net etc were all long gone, but I managed to snag sutherland.pw for myself when it opened up. I'd hoped to get suther.land when .land was set up, but too slow again...
As for spam? I don't recall seeing any at all using .pw addresses anyway.