Can I ask you actually... why do they always use "follow me" vehicles in Russian airports? Not once have I experienced this flying on commercial jets in Europe or the US.
The runway and taxiway surfaces in Russia are something special. Definitely not designed for Western aircraft. I've asked the question before as to why the surfaces are so bad and the answer I always get is that it's because of the winter temperatures, and because it can be so hot in summer and so cold in winter. But in Canada they don't seem to have this problem and the climate there is similar. So I think it's just crap build quality.
St. Petersburg has renovated runway and taxiway surfaces now... was pretty smooth last time I was there.