Sauce first: Mix mayo, sweet chili sauce, Sriracha, and honey in a bowl. Set aside and try not to eat it all.
In a medium bowl, whisk together buttermilk, flour, cornstarch, egg, Sriracha, garlic powder, salt, pepper, and cayenne. It'll look weird, but trust the process.
Toss your chicken in this magical mixture. Make sure they're all coated and happy.
Pour panko onto a plate. One by one, shake off excess batter from each tender and roll it in panko. Press gently to make sure it sticks.
Heat about an inch of oil in a large skillet to 365°F. Use a thermometer if you have one, or just wing it like I usually do.
Fry the chicken in batches (don't overcrowd!) for about 2-3 minutes per side. They should be golden brown and cooked through (165°F internal temp if you're into food safety).
Drain on paper towels briefly, then transfer to a serving plate.
Drizzle generously with that bang bang sauce you've been eyeing.
Sprinkle with parsley to make it look fancy, then dig in while it's hot!