You'll never know what moment you're landing in. The person on the other end might be having the worst day of their year.
Most online interaction is neutral or negative. Deliberate warmth stands out immediately and stays with people.
Genuine curiosity. A specific compliment. 'I hope things get easier for you.' These cost you almost nothing and can mean everything.
When someone is kind to you online, you're noticeably more likely to pass it on. The ripple effect is real.
Not because you'll get credit. Just because you can — and that's reason enough.