It doesn't look extreme in the hull with that fin and the skeg, but the overhangs do shout 1973.
This is hardly a bad thing, but it's a small consideration. I would buy a '70s cruiser with racy elements in a heartbeat for offshore work, because it's going to be still far more cruiser-ish, if you follow, than the current crop of lightweight production boats. The part-skeg argues that it will track decently, and S&S designs tend not to be as twitchy in my view as say, C&Cs of that era, which were and are great boats that you don't want to ride on a 40 knot run downwind. Again, there's a huge spectrum between "sea kindly", "uncomfortably rolly on a run", "positively squirrelly above 25 knots" and "will frequently broach". None of those descriptions contains the phrase "unsafe", but most 1970-1985 production boats will fall into one of those categories, due to the race-rule derived design elements then prevalent, and to the fact that most people, most of the time, wanted under-40 footers to be club racers with the capacity to be weekend cruisers, and not much else. Only in a few places, like Northern Europe or South Africa, are conditions such (or potentially such) that offshore-capable and race-capable cruisers tend to overlap, because the general conditions of wind and tide can make even inshore waters pretty fierce.
Talk to Jim_H with his freshly bought Rival 34, which this also resembles a bit.