If it were introduced today do you think it would survive? I don't. It's not enough over the 308, it recoils more than a slew of catrtidges based on the 308 case, it can't match the 30 magnums. The only thing keeping it going is the popularity of 100+ years.
I think the greatest thing it has going for it is the cartridges it parented, 25-06, 270Win, 280 Rem, 35 whelan. And none of them would probably make it if introduced today. If it were introduced today and ammo was $30 per box of 20, would you buy it?