I don't think this is a big deal. Everyone is converting to lead free manufacturing and getting any particular piece of equipment qaualified as lead free is straight forward process. My company (nothing to do with audio but using lots of electronics) is going through this now. If they are only starting to convert products there may be some delay until they clear the backlog of other, higher selling lines.
I can't belive that any manufacturer would need to kill a flagship product over lead free manufacturing.