as said, according to our modern mentalities.
however asectic practice was common in india (even now). so in that local context, most likely he will not be viewed as mad.
In singapore context, looking at the way modern chinese monks lives, i believe if they see the real buddha, more than half will be willing to travel with him.(too comfortable in their million dollars condo)
I think that you mean less than half willing to travel with him. Same for the modern Christian pastors, do you think that they'd be willing to travel with the real Jesus?
except his handsome features, with the rugged clothing he had, what do you think is the very first impression of someone living in our time - SIAO. even when i saw someone of 2m wearing, that walking in orchard road, i will call 999 even if he is buddha.
...and also even if he's Jesus.