The environment of computation and it's interactions in the 7 day week of a modern classed society is open to debate and great thought will come from it to solve the problems of mere boredom , as well as the vital life sustaining things people need.

The code was never the hard part. Understanding the market, developing product market fit, and evolving is the hard part.

Large companies aren't going to chase every opportunity.

If you are settled with distribution channels, can productize the solution or convert the startup feom product one to a service model then you are probably safe. The development itself is cheap and has no moat.