Unity script to control LERP move of a GameObject through checkpoints

MoveController.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// Class <c>MoveController</c> controls movement of GameObject via existing GameObjects that have tag 'CheckPoint'.
/// Speed is controlled via 'lerpSpeed'.
/// </summary>
public class MoveController : MonoBehaviour
{
    public float lerpSpeed;
    private GameObject[] checkPoints;

    private IEnumerator coroutine;

    // Start is called before the first frame update
    void Start()
    {
        checkPoints = GameObject.FindGameObjectsWithTag("CheckPoint");

        if (checkPoints.Length > 0)
        {
            coroutine = MoveToNext(this.transform.position, checkPoints);
            StartCoroutine(coroutine);
        }
    }

    IEnumerator MoveToNext(Vector3 start, GameObject[] destinations)
    {
        float time = 0;

        Vector3 next = destinations[0].transform.position;

        while (time < 1)
        {
            this.transform.position = Vector3.Lerp(start, next, time);
            time += Time.deltaTime * lerpSpeed;
            Debug.LogWarning(time);
            yield return null;
        }

        List<GameObject> lst = new List<GameObject>(destinations);
        lst.Add(destinations[0]);
        lst.RemoveAt(0);
        coroutine = MoveToNext(this.transform.position, lst.ToArray());
        StartCoroutine(coroutine);
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        GameObject[] currentCheckPoints = GameObject.FindGameObjectsWithTag("CheckPoint");

        if (currentCheckPoints.Length != checkPoints.Length)
        {
            StopCoroutine(coroutine);
            checkPoints = currentCheckPoints;
            coroutine = MoveToNext(this.transform.position, checkPoints);
            StartCoroutine(coroutine);
        }
    }
}