You are overlooking that burglars often have interests outside of burglary.
The scenario where his blog could get him burgled is not burglars who set out to identify targets by reading travelogues. It is a burglar who happens to read the blog because he finds it interesting and happens to recognize that he is being presented with a burglary opportunity.
The scenario where his blog could get him burgled is not burglars who set out to identify targets by reading travelogues. It is a burglar who happens to read the blog because he finds it interesting and happens to recognize that he is being presented with a burglary opportunity.