The point being that it takes time to get the right solution for a problem, and we shouldn't be stuck with C and C++ for GPGPU forever, just because no one has found out the ideal solution for multi-language GPGPU programming.
Just yesterday I saw a documentary about Gotthard Tunnel, also considered impossible to achieve, with high human costs and risk of insolvency until they finally managed it.
John Harrison took almost his entire life to create the first usefull marine chronometer, amid disbelief and issues to get proper funding.
Or if you want to bring it closer to home, very few people believed JavaScript would ever become fast or even leave the browser.
Just yesterday I saw a documentary about Gotthard Tunnel, also considered impossible to achieve, with high human costs and risk of insolvency until they finally managed it.
John Harrison took almost his entire life to create the first usefull marine chronometer, amid disbelief and issues to get proper funding.
Or if you want to bring it closer to home, very few people believed JavaScript would ever become fast or even leave the browser.