"Reform" is not a political party like the Conservative Party, the Labour Party, the Liberal Democrats, the Green Party, the Scottish National Party, Paid Cymru, the Alliance Party of Northern Ireland, the Ulster Unionist Party, the Democratic Unionist Party, the SDLP, or any other normal political party in the UK.
In all of these legitimate political parties members have a say in party policy, selection of candidates and party leader.
Reform is a private company owned largely by Nigel Farage who has appointed himself leader, determined party policy and paid a commercial organisation to vet candidates, many of whom have been shown to be unacceptable in their attitudes and behaviour.
Fans of Nigel Farage may have paid subscriptions or donated money but that gives them no say. Reform is to all intents and purposes a one man band.
Even so because of Farage's undoubted gift of the gab - and his Trump-like ability to lie and repeat his lies with no shame, and the helpful support of the Kremlin and the right wing media in the UK, many many voters are being duped into voting for this charlatan and his racist rabble.