not once does the writer explain what she means by "SRE" -- yet uses it repeatedly. Spend a few words early on to define your term and then go ahead and abbreviate away. That's just writing 101.
1. it's a hinderence for people who are studying to become the intended audience.
2. sometimes I'm reading two literatures that use the same acronym, so it's momentarily stupifying.
It really helps when HN posters either clarify things a bit in the title, or if that's not practical, make a comment when you post the link.
[2] I know, ABBR is the new hotness, but I'm still using HTML 4 for my blog and old habits die hard.