What old browsers are you talking about?
https://caniuse.com/svg https://caniuse.com/svg-img
It seems to me the only browsers not supporting any SVG are ones you'd expect in a computer museum, but not in active use.
https://caniuse.com/svg https://caniuse.com/svg-img
It seems to me the only browsers not supporting any SVG are ones you'd expect in a computer museum, but not in active use.
Or in healthcare.
Or in industrial systems.
Or in kiosks.
Or in much of the real world beyond social media and "disruptive" industries.A healthcare provider using a browser that's too old to have SVG support is a patient data leak waiting to happen.
The flipside is that one just accept that the users who are not able to upgrade are not your target audience and will use other systems to get their work done.
Don't carry others burdens when they self impose their problems.