Yes they did, and they had never managed to chart an album higher than the mid 30s in the US, and I would bet if you polled 100 random folks 50 and older, in the US anyway, they couldn’t tell you 1 Fleetwood Mac song prior to Lindsey/Nicks joining the band
‘Buckingham-Nicks’ (I’ve still got that album!) received heavy airplay on the ‘FM alternative Rock’ stations prior to them joining The Big Mac.
Even had the not, they would still have been a musical force ...............
If I was one of those 100 I could!