CYKBC. Heritage, good point. I restored the 4Runner out of pop-culture, nostalgia, not heritage. Only speaking from personal experience: as a kid/teen coming of age in the '80s, 4Runners were some of the coolest cars to us, they were everywhere, commercials, print ads and dealer show rooms. One of the most popular movies of our time, Back to The Future, featured a Toyota Pickup. To us, the 60 series was boring, it looked like something mom or dad drove.
My Dad, who retired from Toyota Motors USA in 1997, chose a Supra and 4Runner as his employee lease option in the 80s and 90s. I remember asking him about a "big car" (it was a Landcruiser) displayed in front of his office building in Torrance, CA and he said "my cars are cooler".
As far as the 40 series goes, I don't really remember seeing too many of them as a kid. As a teenager, 1960-70s Broncos and 40s could be had for $1200 bucks and those Broncos got all of the attention because swaps to 351s for more power, the Ford 9 inch and every other part was compatible with Ford trucks. Now that I'm on my way to 50 years old, I appreciate the heritage aspect and more importantly (to me) the capability of the Landcruiser line. If I could afford to source and restore a 40, 55, 60 or 80, I totally would however, till then, the 80 is my steed and the 4R stays the garage.