The chosen account name was a bit of it, but when you then said, " Sure I do shops that cost 10 times that much, because they want custom features that are not part of the stock package." and similar things it appeared you worked for or were the dev for PrestaShop. My apologies on that.
As to the security criticisms of WP, I simply do not see it the way that you do. I also am not aware of any major issues with Magento, rumor or otherwise. I simply think that if you are going to knock something it needs to be very concrete. I have knocked products on this very forum, but I really do strive to be very clear and make it totally "behavioral" (how a system performs or fails to perform) than any conjecture. I do not have the 100s of bot connections and login attempts and I do not have the time to go into a security dissertation regarding our mechanisms. I just do not see that problem. I am sure there are others here who have more experience than mine on WP, Magento, WooCommerce, PrestaShop, etc. I just have not seen the issue in my experience. Nor have I seen it with sites needing HIPAA compliance, etc.
As to my reference to TARGET around your MC/Visa fine statement there have been implied costs associated with lost business and with lawsuits, but I just checked again to be sure and I can find nothing stating that TARGET was fined by MC/Visa. In fact the head of MC said that cards need chips in them right after it happened! Frankly, I cannot find any fines they have paid due to that data breach. Again, using a straw man like fines of "$10K per day" is not a good way to argue. It lends a certain weight, emotionally, to the argument, but nothing real. Your argument regarding MC/Visa fines is a false argument, it is a total straw man. You are implying that due to WP a person would be opening themselves up to huge fines and it is patently not true. It impunes WP and all of the open source developers who have spent tons of time and money on that work.
Again, this is simply about approach. I hope you understand that. So, maybe it is just a bit of really believing in PrestaShop (and trust me that after this I am going to go check it out), I just did not think it was the best way to go about it.
Best
Robert