Also, web pages that keep trying to force you to use the app if you access them on a smartphone, but then the app only has half the functionality of the web page
Can't really run one outside of your home network.it also requires people to set up a bit of hardware and change the DNS records in their routers, not a everyone is up for that. Especially those who just use whatever their ISP gives them.
If you have a VPN, it's trivial to point it at your pihole to get the benefits of both on the go, I agree it's not for everyone but you really dislike ads and tracking, there's little better out there to protect you and the barrier to entry is pretty low, though not zero.
QR codes are great. Make a website that pays money to your bank account when people enter their credit card details and leave the QR code on top of other QR codes like the ones to pay for parking.
Its a crazy simple scam. Sure you might not fall for it but someone will.
I agree about the apps thing but QR code menus are fine imo. Beats having to decipher a sometimes outdated, damaged, dirty physical menu with a terrible print.
QR codes are a huge problem in contexts like this, because they are easy to overwrite and impossible for a human to verify the legitimacy of.
This means anyone with a sticker printer could slap a malicious QR code over the genuine one, and you won't know until you've already scanned it. This could easily take you to a clone of the restaurant's website for example, that instead steals your passwords or bank details.
It's just easier and simpler. If it ain't broke, don't fix it. Besides, I don't want to dig my phone, open it, and have to turn off a 1900 'legitimate interest' switches or get told to download an app and let them install a camera in my ass.