> People are getting loans for their education

In some countries they do, in some they don't, in others every PhD student even gets a scholarship. Every person I know who did the PhD did it because they loved the topics they were studying. The author of the blogpost is from Russia, I bet he didn't have to pay for his PhD.

I would fo so faras sayingif that's not why you are going for a PhD then you should not do it.