"Therefore moun we singen Deo Gratias."

Google gets me the context, but not the meaning. Could you explain? C++ is the price of our sins and C the lost paradise?

90% of people who I come in contact with that claim to know c++: "Hey, I know C++! malloc, strlen, memcpy! Oh and std::cout."

The article sums this up nicely. Pure, idiomatic C++ is beautiful but too many people are stuck using the C constructs when they should be using C++ alternatives.

All true. But I was wondering where the closing line to "Adam lay ybounden". I can translate it literally, but don't understand the cultural context.

Yeah, I guess that was ambiguous, wasn't it? C could equally well be the original sin, if one goes by analogy with the whole song. I'm just glad that C isn't C++.