I agree with the premise. However, what happens to Lob when paper and mail get replaced by digital transactions? Netflix was able to pivot from sending physical DVDs to streaming digital movies. Will Lob be able to pivot from printing and mailing physical checks to sending digital money, or will they be cut out of the market?
In general, it seems risky to build an API around something that's going to disappear.
I meant in the context of trying to build a long-term business. Netflix would be dead in a few more years if they hadn't started doing digital streaming.
You wouldnt leave a $100 bill on the ground just because it doesn't come with a money tree. Even some non-sustainable businesses may be worth pursuing while they are viable if the benefit/payoff far outweighs the cost/effort.
In general, it seems risky to build an API around something that's going to disappear.