The reasons where:
- security as SoerenKaae said: “Ferrari is a place that is secure. You know they will stay in Formula 1, and you know that there will not be somebody else taking it over, making a different strategy or, taking the focus away from racing. “
Todt took the lead of Ferrari in 1993, and things start to work in a better way, Byrne and Brawn were hired, the results had already improved in 1994 and 1995, and Todt felt it was the time to take the next step.
It was announced in the Hungarian GP in 1995 that Schumacher would drive for Ferrari in 1996-97, in the end of 1997 the contract was renewed to 1998.
With the domniation of McLaren in the early GPs of 1998 season, Schumacher started to complain about the car, and in some gossip appear suggesting Schumacher in McLaren for 1999 and so on.
But it was only a way Schumacher found to put some pressure in Ferrari and get himself a better contract, which he signed (until 2002) just before Silverstone.
Renault announced is retirement just before the french grandprix, and Williams was left alone with his future pending. At the moment of the presentation of the FW19 (Williams car for 1997 season) it was announced that williams will continue with Renault engines, but prepared by Mecachrome. Lack of official support from Renault, and Newey leaving to McLaren in the beginning of 1997 season, make Williams lost his way.