I think it is stupid for two reasons. First, if his lifestyle afforded him a chubby belly, and his paycheck afforded him abs, his lifestyle will outlast his paycheck and he'll likely develop a chubby belly again. I can see if you put in your hard work and you want that extra edge that you can never seem to get past. The post-photo was a year later, so it seems he did a decent job at keeping the abs.
However, and this is the second issue, it doesn't look like he works out, or at least the amount that he should to get to that point which would deem ab etching "okay." Since he doesn't work out, or look like he does, his arms, back, legs, etc. are quite soft and not muscular, so his abs stick out like a sore thumb. If he were already leaner all-around and this was the extra edge, okay, but I'm hating not so much because he got the procedure done, but because it doesn't match the rest of his body.